Stacking chair



FIG. 1 is a front perspective view taken from above of a stacking chair showing my new design;

FIG. 2 is a left side elevation view thereof, the right side being a mirror image thereof;

FIG. 3 is a top right perspective view thereof;

FIG. 4 is a lower right perspective view of the bottom thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a front elevation view thereof. 

The ornamental design for a stacking chair, as shown and described. 